RETROFITTING A CONSTANT VOLUME AIR HANDLING UNIT WITH A VARIABLE FREQUENCY DRIVE

摘要

A system and methods providing real-time monitoring, management and control of a variable frequency drive retrofit to a constant volume air handling unit without making significant mechanical or control system changes. Customers and vendors are provided with a more informative and economically attractive air handling unit. The system also provides a finer granularity of control over conditioned air properties such as temperature, humidity and air quality.

主权项

1. A system comprising:
a processor; and a memory communicatively coupled to the processor, the memory having stored therein computer-executable instructions, comprising:
a controller component configured to:
determine a temperature difference between an intake air temperature at an entrance of a heat exchange area of a constant volume air handling unit and a discharge air temperature at an exit of the heat exchange area of the constant volume air handling unit;determine an angular velocity for a blower based at least upon the determined temperature difference to achieve a predetermined heating or cooling demand for a conditioned space; andset at least one parameter of a variable frequency drive to cause the blower to achieve the determined angular velocity.